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jobcore/curl/0001-noproxy.patch

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commit efc286b7a62af0568fdcbf3c68791c9955182128
Author: Daniel Stenberg <daniel@haxx.se>
Date: Thu Oct 27 13:54:27 2022 +0200
noproxy: also match with adjacent comma
If the host name is an IP address and the noproxy string contained that
IP address with a following comma, it would erroneously not match.
Extended test 1614 to verify this combo as well.
Reported-by: Henning Schild
Fixes #9813
Closes #9814
diff --git a/lib/noproxy.c b/lib/noproxy.c
index 3409dab6f..58bc69a2d 100644
--- a/lib/noproxy.c
+++ b/lib/noproxy.c
@@ -192,18 +192,22 @@ bool Curl_check_noproxy(const char *name, const char *no_proxy)
/* FALLTHROUGH */
case TYPE_IPV6: {
const char *check = token;
- char *slash = strchr(check, '/');
+ char *slash;
unsigned int bits = 0;
char checkip[128];
+ if(tokenlen >= sizeof(checkip))
+ /* this cannot match */
+ break;
+ /* copy the check name to a temp buffer */
+ memcpy(checkip, check, tokenlen);
+ checkip[tokenlen] = 0;
+ check = checkip;
+
+ slash = strchr(check, '/');
/* if the slash is part of this token, use it */
- if(slash && (slash < &check[tokenlen])) {
+ if(slash) {
bits = atoi(slash + 1);
- /* copy the check name to a temp buffer */
- if(tokenlen >= sizeof(checkip))
- break;
- memcpy(checkip, check, tokenlen);
- checkip[ slash - check ] = 0;
- check = checkip;
+ *slash = 0; /* null terminate there */
}
if(type == TYPE_IPV6)
match = Curl_cidr6_match(name, check, bits);
diff --git a/tests/data/test1614 b/tests/data/test1614
index 4a9d54eb6..73bdbb4e0 100644
--- a/tests/data/test1614
+++ b/tests/data/test1614
@@ -16,7 +16,7 @@ unittest
proxy
</features>
<name>
-cidr comparisons
+noproxy and cidr comparisons
</name>
</client>
<errorcode>
diff --git a/tests/unit/unit1614.c b/tests/unit/unit1614.c
index 60285450c..c2f563a0d 100644
--- a/tests/unit/unit1614.c
+++ b/tests/unit/unit1614.c
@@ -77,6 +77,20 @@ UNITTEST_START
{ NULL, NULL, 0, FALSE} /* end marker */
};
struct noproxy list[]= {
+ { "127.0.0.1", "127.0.0.1,localhost", TRUE},
+ { "127.0.0.1", "127.0.0.1,localhost,", TRUE},
+ { "127.0.0.1", "127.0.0.1/8,localhost,", TRUE},
+ { "127.0.0.1", "127.0.0.1/28,localhost,", TRUE},
+ { "127.0.0.1", "127.0.0.1/31,localhost,", TRUE},
+ { "127.0.0.1", "localhost,127.0.0.1", TRUE},
+ { "127.0.0.1", "localhost,127.0.0.1.127.0.0.1.127.0.0.1.127.0.0.1."
+ "127.0.0.1.127.0.0.1.127.0.0.1.127.0.0.1.127.0.0.1.127.0.0.1.127."
+ "0.0.1.127.0.0.1.127.0.0." /* 128 bytes "address" */, FALSE},
+ { "127.0.0.1", "localhost,127.0.0.1.127.0.0.1.127.0.0.1.127.0.0.1."
+ "127.0.0.1.127.0.0.1.127.0.0.1.127.0.0.1.127.0.0.1.127.0.0.1.127."
+ "0.0.1.127.0.0.1.127.0.0" /* 127 bytes "address" */, FALSE},
+ { "localhost", "localhost,127.0.0.1", TRUE},
+ { "localhost", "127.0.0.1,localhost", TRUE},
{ "foobar", "barfoo", FALSE},
{ "foobar", "foobar", TRUE},
{ "192.168.0.1", "foobar", FALSE},
commit b830f9ba9e94acf672cd191993ff679fa888838b
Author: Daniel Stenberg <daniel@haxx.se>
Date: Fri Oct 28 10:51:49 2022 +0200
noproxy: fix tail-matching
Also ignore trailing dots in both host name and comparison pattern.
Regression in 7.86.0 (from 1e9a538e05c0)
Extended test 1614 to verify better.
Reported-by: Henning Schild
Fixes #9821
Closes #9822
diff --git a/lib/noproxy.c b/lib/noproxy.c
index 58bc69a2d..2832ae166 100644
--- a/lib/noproxy.c
+++ b/lib/noproxy.c
@@ -153,9 +153,14 @@ bool Curl_check_noproxy(const char *name, const char *no_proxy)
}
else {
unsigned int address;
+ namelen = strlen(name);
if(1 == Curl_inet_pton(AF_INET, name, &address))
type = TYPE_IPV4;
- namelen = strlen(name);
+ else {
+ /* ignore trailing dots in the host name */
+ if(name[namelen - 1] == '.')
+ namelen--;
+ }
}
while(*p) {
@@ -177,12 +182,23 @@ bool Curl_check_noproxy(const char *name, const char *no_proxy)
if(tokenlen) {
switch(type) {
case TYPE_HOST:
- if(*token == '.') {
- ++token;
- --tokenlen;
- /* tailmatch */
- match = (tokenlen <= namelen) &&
- strncasecompare(token, name + (namelen - tokenlen), namelen);
+ /* ignore trailing dots in the token to check */
+ if(token[tokenlen - 1] == '.')
+ tokenlen--;
+
+ if(tokenlen && (*token == '.')) {
+ /* A: example.com matches '.example.com'
+ B: www.example.com matches '.example.com'
+ C: nonexample.com DOES NOT match '.example.com'
+ */
+ if((tokenlen - 1) == namelen)
+ /* case A, exact match without leading dot */
+ match = strncasecompare(token + 1, name, namelen);
+ else if(tokenlen < namelen)
+ /* case B, tailmatch with leading dot */
+ match = strncasecompare(token, name + (namelen - tokenlen),
+ tokenlen);
+ /* case C passes through, not a match */
}
else
match = (tokenlen == namelen) &&
diff --git a/tests/unit/unit1614.c b/tests/unit/unit1614.c
index c2f563a0d..8f62b70d4 100644
--- a/tests/unit/unit1614.c
+++ b/tests/unit/unit1614.c
@@ -77,6 +77,15 @@ UNITTEST_START
{ NULL, NULL, 0, FALSE} /* end marker */
};
struct noproxy list[]= {
+ { "www.example.com", "localhost,.example.com,.example.de", TRUE},
+ { "www.example.com.", "localhost,.example.com,.example.de", TRUE},
+ { "example.com", "localhost,.example.com,.example.de", TRUE},
+ { "example.com.", "localhost,.example.com,.example.de", TRUE},
+ { "www.example.com", "localhost,.example.com.,.example.de", TRUE},
+ { "www.example.com", "localhost,www.example.com.,.example.de", TRUE},
+ { "example.com", "localhost,example.com,.example.de", TRUE},
+ { "example.com.", "localhost,example.com,.example.de", TRUE},
+ { "www.example.com", "localhost,example.com,.example.de", FALSE},
{ "127.0.0.1", "127.0.0.1,localhost", TRUE},
{ "127.0.0.1", "127.0.0.1,localhost,", TRUE},
{ "127.0.0.1", "127.0.0.1/8,localhost,", TRUE},
commit b1953c1933b369b1217ef0f16053e26da63488c3
Author: Daniel Stenberg <daniel@haxx.se>
Date: Sun Nov 6 23:19:51 2022 +0100
noproxy: tailmatch like in 7.85.0 and earlier
A regfression in 7.86.0 (via 1e9a538e05c010) made the tailmatch work
differently than before. This restores the logic to how it used to work:
All names listed in NO_PROXY are tailmatched against the used domain
name, if the lengths are identical it needs a full match.
Update the docs, update test 1614.
Reported-by: Stuart Henderson
Fixes #9842
Closes #9858
diff --git a/docs/libcurl/opts/CURLOPT_NOPROXY.3 b/docs/libcurl/opts/CURLOPT_NOPROXY.3
index 5e4c32130..dc3cf7c10 100644
--- a/docs/libcurl/opts/CURLOPT_NOPROXY.3
+++ b/docs/libcurl/opts/CURLOPT_NOPROXY.3
@@ -40,10 +40,6 @@ list is matched as either a domain which contains the hostname, or the
hostname itself. For example, "ample.com" would match ample.com, ample.com:80,
and www.ample.com, but not www.example.com or ample.com.org.
-If the name in the \fInoproxy\fP list has a leading period, it is a domain
-match against the provided host name. This way ".example.com" will switch off
-proxy use for both "www.example.com" as well as for "foo.example.com".
-
Setting the \fInoproxy\fP string to "" (an empty string) will explicitly
enable the proxy for all host names, even if there is an environment variable
set for it.
diff --git a/lib/noproxy.c b/lib/noproxy.c
index 2832ae166..fb856e4fa 100644
--- a/lib/noproxy.c
+++ b/lib/noproxy.c
@@ -187,22 +187,24 @@ bool Curl_check_noproxy(const char *name, const char *no_proxy)
tokenlen--;
if(tokenlen && (*token == '.')) {
- /* A: example.com matches '.example.com'
- B: www.example.com matches '.example.com'
- C: nonexample.com DOES NOT match '.example.com'
- */
- if((tokenlen - 1) == namelen)
- /* case A, exact match without leading dot */
- match = strncasecompare(token + 1, name, namelen);
- else if(tokenlen < namelen)
- /* case B, tailmatch with leading dot */
- match = strncasecompare(token, name + (namelen - tokenlen),
- tokenlen);
- /* case C passes through, not a match */
+ /* ignore leading token dot as well */
+ token++;
+ tokenlen--;
}
- else
- match = (tokenlen == namelen) &&
- strncasecompare(token, name, namelen);
+ /* A: example.com matches 'example.com'
+ B: www.example.com matches 'example.com'
+ C: nonexample.com DOES NOT match 'example.com'
+ */
+ if(tokenlen == namelen)
+ /* case A, exact match */
+ match = strncasecompare(token, name, namelen);
+ else if(tokenlen < namelen) {
+ /* case B, tailmatch domain */
+ match = (name[namelen - tokenlen - 1] == '.') &&
+ strncasecompare(token, name + (namelen - tokenlen),
+ tokenlen);
+ }
+ /* case C passes through, not a match */
break;
case TYPE_IPV4:
/* FALLTHROUGH */
diff --git a/tests/unit/unit1614.c b/tests/unit/unit1614.c
index 8f62b70d4..523d102bf 100644
--- a/tests/unit/unit1614.c
+++ b/tests/unit/unit1614.c
@@ -85,7 +85,8 @@ UNITTEST_START
{ "www.example.com", "localhost,www.example.com.,.example.de", TRUE},
{ "example.com", "localhost,example.com,.example.de", TRUE},
{ "example.com.", "localhost,example.com,.example.de", TRUE},
- { "www.example.com", "localhost,example.com,.example.de", FALSE},
+ { "nexample.com", "localhost,example.com,.example.de", FALSE},
+ { "www.example.com", "localhost,example.com,.example.de", TRUE},
{ "127.0.0.1", "127.0.0.1,localhost", TRUE},
{ "127.0.0.1", "127.0.0.1,localhost,", TRUE},
{ "127.0.0.1", "127.0.0.1/8,localhost,", TRUE},
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